WO2006058582A1 - Working spot of a winding frame - Google Patents
Working spot of a winding frame Download PDFInfo
- Publication number
- WO2006058582A1 WO2006058582A1 PCT/EP2005/011369 EP2005011369W WO2006058582A1 WO 2006058582 A1 WO2006058582 A1 WO 2006058582A1 EP 2005011369 W EP2005011369 W EP 2005011369W WO 2006058582 A1 WO2006058582 A1 WO 2006058582A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- thread
- store
- spinning cop
- yarn
- winding
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H51/00—Forwarding filamentary material
- B65H51/20—Devices for temporarily storing filamentary material during forwarding, e.g. for buffer storage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H51/00—Forwarding filamentary material
- B65H51/20—Devices for temporarily storing filamentary material during forwarding, e.g. for buffer storage
- B65H51/205—Devices for temporarily storing filamentary material during forwarding, e.g. for buffer storage by means of a fluid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H59/00—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
- B65H59/38—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by regulating speed of driving mechanism of unwinding, paying-out, forwarding, winding, or depositing devices, e.g. automatically in response to variations in tension
- B65H59/384—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by regulating speed of driving mechanism of unwinding, paying-out, forwarding, winding, or depositing devices, e.g. automatically in response to variations in tension using electronic means
- B65H59/387—Regulating unwinding speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H59/00—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
- B65H59/38—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by regulating speed of driving mechanism of unwinding, paying-out, forwarding, winding, or depositing devices, e.g. automatically in response to variations in tension
- B65H59/384—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by regulating speed of driving mechanism of unwinding, paying-out, forwarding, winding, or depositing devices, e.g. automatically in response to variations in tension using electronic means
- B65H59/388—Regulating forwarding speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/31—Textiles threads or artificial strands of filaments
Definitions
- the invention relates to a workstation of a winding machine according to the preamble of claim 1.
- bobbins preferably spinning rings manufactured on ring spinning machines, which contain relatively few yarn volumes, are wound into large-volume cheeses.
- the yarn is also monitored for yarn defects, with yarn failures being cut out and replaced with nearly yarn-like yarn splices.
- winding speeds with which such, so-called cross-winding machines work are limited to generally less than 2000 m / min due to various physical conditions, in particular by the thread tensile forces occurring during the rewinding.
- the thread tension can in the course of a Kopsorii, if no effective countermeasures are taken to increase to a multiple of the initial yarn tension, which significantly increases the risk of thread breaks.
- this device is initially wound with a relatively high winding speed at the beginning of Kopsappel, however, the winding speed at the end of Kopsappel lowered to an uncritical level.
- Such a rotatably mounted spool receiving mandrel for a supply spool is described for example in CH-PS 542 781 in connection with a precision spooling machine.
- the bobbin receiving mandrel is connected via a drive belt with a drive drum in connection, which is mounted on a machine-length, constantly rotating drive shaft and can be selectively connected via an electromagnetic clutch to the drive shaft.
- a corresponding device ensures that the Coil receiving mandrel of the supply spool is rotated counter to the unwinding of the thread.
- the differences in speed can be up to 40%, depending on the respective laying angle of the thread on the cross-wound bobbin.
- the winding speeds are about one order of magnitude below the winding speeds of dishwashers when rewinding feed bobbins.
- the winding units are each equipped with a arranged above a feed bobbin thread withdrawal device and a downstream device for temporarily receiving a significant amount of thread, for example, a connection allow two yarn ends, without the need to interrupt the Umspulvorganges is necessary.
- the winding units each have a thread withdrawal device, which subtracts the thread at a speed which is 10 - 30% above the winding speed of the winding device, from the supply spool ,
- the withdrawn from the feed bobbin thread runs on its way to the reservoir, monitored by sensors, to an injector that conveys the thread in the reservoir, the filling state is also monitored and supplemented as needed.
- the winding units of the winding machine described in DE-AS 22 15 003 each have a thread withdrawal device, a rotatably mounted, equipped with a brush-like surface thread storage device and a drive drum for frictionally driving a package on. All thread handling devices of the winding unit are acted upon by a common drive source.
- the present invention seeks to improve winding machines of the aforementioned type, that is, to optimize the jobs of such dishwashers to the effect that the jobs can work with a much higher winding speed, without thereby significantly reducing the risk of yarn breaks increases.
- the removal of the thread from the spinning cop and the winding of the cheese on the winding device are so separated that the removal of the thread from the spinning cop is not affected by the traversing of the thread during the manufacture of the cheese.
- the thread is withdrawn by a thread withdrawal device with irrespective of irresistible fluctuation speed from the spinning cop and goes through on his way to the cheese a thread store, on the one hand ensures that when winding the cheese, that is, in the traversing of the thread running on the cheese, always sufficient thread length is available and on the other hand prevents that caused by the traversing of the thread fluctuations in the thread speed negatively affect the thread take-off at the spinning cop. Since the thread store essentially only has to absorb a quantity of thread which is adapted to the thread changing due to the Fadenchangleiter thread, the storage volume is uncritical to manage, which is particularly important at the high winding speeds of importance.
- the device according to the invention therefore not only leads to an improvement in the efficiency of the winder, but also to an increase in quality of the manufactured cheeses.
- the yarn store is assigned in an advantageous embodiment, a sensor device which is connected to a winding station computer.
- a the Spulstellenrechner and the drive of the thread withdrawal device einumbleder control loop is present, which controls the thread withdrawal device so that in the thread store is always stored within predeterminable tolerance limits amount of thread is stored.
- the thread store is arranged in the thread running direction immediately before an upper thread guide, which forms the starting point for the traversing triangle of the thread. In such an arrangement, the changing thread requirement that occurs when traversing a yarn for producing a cross-wound bobbin, reliably compensated.
- Thread storage designed as a pneumatically acted thread storage.
- Such pneumatic thread storage are inexpensive to implement and allow, as long as a certain amount of thread is not exceeded, safe and easy storage of a running thread.
- a mechanically operating thread store is possible instead of a pneumatically acted thread store (claim 6).
- Such mechanically operating thread stores have the advantage that they can safely store even larger amounts of thread, which can offer advantages, for example, in the production of conical cheeses.
- a thread cleaner arranged, which scans the running in this area at a uniform speed thread on irregularities and if necessary initiated a thread cutting device.
- the measurement results of the thread cleaner are always very precise, especially as far as the length of the defects is concerned.
- the winding units also have a drive means for rotating the spinning cop in the unwinding position and a further, second yarn store.
- the drive device for the spinning cop as well as the thread withdrawal device are, for example, driven by a single motor, driven so that the thread is removed from the spinning cop with a predeterminable, uniform take-off speed.
- the second yarn store which is connected between the spinning cop and the yarn draw-off device, compensates for variations in the amount of yarn that arise, for example, during unwinding of a spinning cop due to its cop winding, reliably.
- Thread cleaner preferably either immediately before or directly behind the thread withdrawal device, but always before the first
- Thread storage positioned.
- Thread cleaner scans a thread that runs in this area at a nearly constant speed. According to claim 9 it is provided that the spinning cop during the
- Abspulvorganges is advantageously positioned in a vertical or nearly vertical position.
- the thread is removed from the thread withdrawal device via the head from the supply spool.
- the thread forms when pulling off the spinning cop a rotating thread balloon, resulting in a relatively gentle
- the vertical orientation of the feed bobbin also provides
- Transport plates to the winding units supplied feed bobbins are driven directly into the unwinding position.
- a vertical orientation of the supply bobbins allows a total of a compact, space-saving design of Abspul Hoches.
- the delivery bobbin is rotated in the unwinding direction and is arranged so that its axis of rotation assumes a substantially horizontal position.
- the yarn is unwound tangentially from driven supply bobbin.
- Such a tangential development leads to a particularly gentle separation of the thread from the delivery bobbin and therefore allows, with greatly reduced thread damage, very high yarn withdrawal speeds.
- FIG. 1 is a schematic side view of a first embodiment of a workstation of a textile machine producing cross-wound bobbins, with a thread withdrawal device and a first thread store arranged in the region of the thread take-off device,
- FIG. 2 shows a further embodiment of a workstation of a textile machine producing cross-wound bobbins, with a first thread store in the region of a thread guide, which forms the starting point of a traversing triangle of the thread
- 3 is a front view of another embodiment of a workstation of a cross-wound textile machine producing, designed as a finger thread guide FadenchangierISS,
- FIG. 4 shows a further embodiment of a workstation of a textile machine producing cross-wound bobbins, with a drive device for rotating a feed bobbin positioned in a vertical orientation, a thread take-off device, a thread cleaner arranged in front of the thread take-off device, and first and second thread stores arranged in the thread running path in front of and behind the thread take-off device;
- FIG. 5 shows a further embodiment of a workstation of a textile machine producing cross-wound bobbins, with the devices shown in FIG. 4 and a drivable feed bobbin, which has a horizontal orientation.
- FIGS. 1, 2 and 4, 5 show, schematically in side view, a workstation 1 of a cheese winder 22.
- Such spooling machines 22 have between their (not shown) Endgestellen a plurality of such in series juxtaposed jobs 1.
- the jobs 1 are for this purpose with different
- Handling and Fadenprüf conjugateen equipped are each controlled by a workstation's own control device, a so-called winding station computer 5, defined.
- the jobs 1 have a winding device for producing a cross-wound bobbin 13, a device 7 for pneumatically connecting thread ends after a thread break or a cleaner cut and other thread handling devices.
- the winding device has, for example, a creel 14 for rotierb.aren holding a cross-wound bobbin 13 and a yarn guide drum 12 for frictional driving of the cheese 13 and simultaneous traversing of the running in the direction of yarn F on the cross-wound bobbin 13 thread 30.
- a yarn guide drum 12 shown in FIGS. 1, 2 and 4, 5 it is of course also possible, as indicated in FIG. 3, to use a pure drive drum 33.
- Such a separate thread guide can be designed, for example, as a finger thread guide 34, as shown in FIG.
- a thread tensioner 6 and optionally a paraffin line 10 are also usually provided.
- a thread withdrawal device 16 is installed above the supply spool 2, which pulls the thread 30 from the spinning cop 2.
- the thread withdrawal device 16 preferably has a single drive 32, which is connected via a control line 26 to the winding station computer 5.
- the thread 30, the onstate of the thread withdrawal device 16 with an irrespective of irresistible fluctuations yarn withdrawal speed V C onst. is deducted from the spinning cop 2, runs, for example in the direction of rotation R, from the top of the spinning cop 2, forming a thread balloon 3, which is bounded by a arranged above the spinning cop 2 thread guide 4.
- the delivery bobbin 2 is arranged on a fixed bobbin receiving mandrel.
- a thread cleaner 8 and a thread cutting device 9 are positioned, which are connected via signal or control or signal lines 27, 28 to the winding station computer 5.
- a yarn store 23 is arranged in the thread running direction F behind the thread take-off device 16, which, as indicated, is preferably designed as a pneumatic thread store.
- a (not shown) mechanical yarn storage can be used.
- the yarn store 23 has, for example, a yarn storage tube 11, which is connected via a vacuum line 29 to a (not shown) vacuum source and defined with negative pressure can be acted upon.
- the yarn store 23 has a sensor device 24 for monitoring the filling state of the yarn storage tube 11.
- the sensor device 24 is also connected via a signal line 25 to the winding station computer 5.
- the thread store 23 compensates for the changing thread requirement occurring during the winding of a cross-wound bobbin 13 due to the threading, and prevents the thread-speed fluctuations triggered by the thread crossing from occurring up to the area of the spinning cop 2.
- the exemplary embodiment of a workstation shown in FIG. 2 differs from the exemplary embodiment according to FIG. 1 only with regard to the arrangement of the thread store 23. That is to say, in the exemplary embodiment according to FIG. 2, the thread store 23 is arranged in the thread running direction directly in front of an upper stationary thread guide 18, which holds the Starting point of a swept by the thread 30 traversing triangle 21 forms.
- the yarn store 23 is formed here as a pneumatic yarn store, in which the thread 30 is drawn to form a thread loop.
- a pneumatic thread store 23 which is known per se, has a thread storage tube 11 which can be acted upon by negative pressure via a vacuum line 29.
- a sensor device 24 is provided in the region of the yarn storage tube 11, which monitor the respective filling level of the yarn storage tube 11 and regulate the amount of yarn in the yarn storage 23 via a control circuit which comprises the winding computer 5 and the drive 32 of the yarn draw-off device.
- FIG. 3 shows a front view of a somewhat modified embodiment of a work station 1 of a cheese winder 22.
- a cross-wound bobbin 13 rotatably supported in a creel 14 is located with its surface on a drive roller 33, which is acted upon by a single drive 35.
- the drive 35 is connected via a control line 37 to the winding station computer 5.
- the drive 36 is also connected via a control line 38 to the winding station computer 5.
- a pneumatic yarn store 23 is arranged below a stationary thread guide 18, which forms the starting point for the traversing triangle 21, a pneumatic yarn store 23 is arranged, the yarn storage tube 11 by a sensor device 24, via a signal line 25 is connected to the winding station computer 5 monitors.
- the thread withdrawal device 16 has a thread 30 delivered in the direction of yarn travel F before it is wound on the cross-wound bobbin 13 by the thread guide 34 in intersecting positions, with withdrawal speed independent of change of iridescence (V const .). initially sucked into the yarn store 23.
- the thread 30 forms on its way to the cheese first within the yarn storage tube 11 a thread loop.
- the ever-changing thread requirement is automatically compensated by a corresponding control loop by reducing or enlarging this thread loop.
- the yarn section extending in the thread running path in front of the thread store 23 remains completely unaffected by the speed fluctuations of the running thread 30 caused by the traversing.
- FIGS. 4 and 5 differ from the embodiments shown in FIGS. 1 and 2 on the one hand by the design of their unwinding device and on the other hand by the number and arrangement of the yarn stores.
- the delivery bobbin 2 is no longer fixed in its Abspul ein, but rotatably mounted in each case defined by a drive means 40.
- the supply spool 2 has in its unwinding position either, as indicated in Figure 4, a vertical orientation or, as seen in Figure 5, positioned so that its axis of rotation is approximately horizontal.
- a drive device 40 for defined rotation of the delivery bobbin 2 is provided in the region of the unwinding position.
- the drive device 40, the electromotive individual drive 51 is connected via a control line 41 to the winding station computer 5, usually has a braking device 48, which allows, for example in the event of a yarn breakage rapid stopping of the set on a rotatable Spulenavailabledorn drain coil 2.
- a further, second yarn store 61 is installed in addition to the yarn store 23 already described in connection with FIGS.
- the yarn store 61 is preferably formed as a pneumatic yarn store, in which, as indicated, the detached from the bobbin 2 thread 30 is pulled to form a thread loop.
- such a pneumatic thread store 61 which is known per se, has, for example, a yarn storage tube which can be subjected to negative pressure via a vacuum line 29.
- a sensor device 24 is provided in the region of the yarn storage tube, which monitors the respective fill level of the yarn storage tube and, preferably via the Spulstellenrechner 5, according to the filling state of the yarn store 21, for example, the negative pressure in the yarn store 21 controls.
- the sensor device 24 is connected for this purpose via a signal line 25 to the winding station computer 5.
- a thread withdrawal device 16 is also provided for the uniform withdrawal of the thread 30 from delivery bobbin 2, the drive 32 of which is connected to the bobbin winding computer 5 via a control line 26.
- a thread cleaner 8 and a thread cutting device 9 are positioned in front of the thread take-off device 16, which in each case have signal slices.
- Control lines 27, 28 with the winding station computer 5 are in communication.
- the thread cleaner 8 and the thread cutting device 9 can also be positioned directly behind the thread withdrawal device 16, but in front of the yarn store 23 already described above, viewed in the thread running direction.
Landscapes
- Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
- Storage Of Web-Like Or Filamentary Materials (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05799110.1A EP1828040B1 (en) | 2004-12-01 | 2005-10-22 | Working spot of a winding frame |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004057826.5 | 2004-12-01 | ||
DE102004057825.7 | 2004-12-01 | ||
DE200410057825 DE102004057825A1 (en) | 2004-12-01 | 2004-12-01 | Working spot e.g. for winding frame, has creel for rotatably supporting cross-wound bobbin with device rotating cross-wound bobbin and thread guide for traversing and thread take-off device removing thread from spinning part |
DE200410057826 DE102004057826A1 (en) | 2004-12-01 | 2004-12-01 | Working spot e.g. for winding frame, has creel for rotatably supporting cross-wound bobbin with device rotating cross-wound bobbin and thread guide for traversing and thread take-off device removing thread from spinning part |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006058582A1 true WO2006058582A1 (en) | 2006-06-08 |
Family
ID=36564772
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2005/011369 WO2006058582A1 (en) | 2004-12-01 | 2005-10-22 | Working spot of a winding frame |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1828040B1 (en) |
CN (1) | CN103818777B (en) |
WO (1) | WO2006058582A1 (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2157039A2 (en) | 2008-08-21 | 2010-02-24 | Murata Machinery, Ltd. | Textile Machine |
EP2159181A3 (en) * | 2008-08-25 | 2010-12-29 | Murata Machinery, Ltd. | Yarn winding device and automatic winder comprising the same |
EP2159180A3 (en) * | 2008-08-25 | 2010-12-29 | Murata Machinery, Ltd. | Yarn winding device and automatic winder |
EP2107025A3 (en) * | 2008-03-31 | 2011-05-04 | Murata Machinery, Ltd. | Yarn winding device and automatic winder comprising yarn winding device |
EP2774883A1 (en) * | 2013-03-08 | 2014-09-10 | Gebrüder Loepfe AG | Method for winding and cleaning a yarn |
EP4074637A4 (en) * | 2020-02-10 | 2023-06-21 | Twistperfect, S.L. | Machine and process for unwinding and winding yarn at a speed greater than 1m/s |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016009062A1 (en) * | 2016-07-26 | 2018-02-01 | Saurer Germany Gmbh & Co. Kg | Fadenchangiereinrichtung comprising an electric motor drive and a finger thread guide |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3908920A (en) * | 1973-07-17 | 1975-09-30 | Schuster & Co F M N | Process and apparatus for maintaining constant thread tension |
DE2454916A1 (en) * | 1974-11-20 | 1976-05-26 | Schlafhorst & Co W | METHOD AND DEVICE FOR WINDING CONICAL CROSS SPOOLS AT A CONSTANT THREAD FEED SPEED |
EP0004781A1 (en) * | 1978-04-06 | 1979-10-17 | Du Pont Canada Inc. | Method and apparatus for cone winding of yarn from a constant speed source |
US4195791A (en) * | 1979-05-18 | 1980-04-01 | Western Electric Company, Incorporated | Catenary controller |
EP0277717A1 (en) * | 1987-01-16 | 1988-08-10 | Toray Engineering Co., Ltd. | Yarn winding device |
DE10304366A1 (en) * | 2003-02-04 | 2004-08-05 | Saurer Gmbh & Co. Kg | Bobbin discharge station for textile weaving loom discharges horizontally to height-variable spring-mounted pulley wheel maintaining constant tension |
-
2005
- 2005-10-22 EP EP05799110.1A patent/EP1828040B1/en not_active Revoked
- 2005-10-22 WO PCT/EP2005/011369 patent/WO2006058582A1/en active Application Filing
- 2005-10-22 CN CN201310744224.9A patent/CN103818777B/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3908920A (en) * | 1973-07-17 | 1975-09-30 | Schuster & Co F M N | Process and apparatus for maintaining constant thread tension |
DE2454916A1 (en) * | 1974-11-20 | 1976-05-26 | Schlafhorst & Co W | METHOD AND DEVICE FOR WINDING CONICAL CROSS SPOOLS AT A CONSTANT THREAD FEED SPEED |
EP0004781A1 (en) * | 1978-04-06 | 1979-10-17 | Du Pont Canada Inc. | Method and apparatus for cone winding of yarn from a constant speed source |
US4195791A (en) * | 1979-05-18 | 1980-04-01 | Western Electric Company, Incorporated | Catenary controller |
EP0277717A1 (en) * | 1987-01-16 | 1988-08-10 | Toray Engineering Co., Ltd. | Yarn winding device |
DE10304366A1 (en) * | 2003-02-04 | 2004-08-05 | Saurer Gmbh & Co. Kg | Bobbin discharge station for textile weaving loom discharges horizontally to height-variable spring-mounted pulley wheel maintaining constant tension |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2107025A3 (en) * | 2008-03-31 | 2011-05-04 | Murata Machinery, Ltd. | Yarn winding device and automatic winder comprising yarn winding device |
EP2377793A3 (en) * | 2008-03-31 | 2012-04-18 | Murata Machinery, Ltd. | Yarn winding device and automatic winder |
EP2157039A2 (en) | 2008-08-21 | 2010-02-24 | Murata Machinery, Ltd. | Textile Machine |
EP2157039A3 (en) * | 2008-08-21 | 2010-12-22 | Murata Machinery, Ltd. | Textile Machine |
EP2159181A3 (en) * | 2008-08-25 | 2010-12-29 | Murata Machinery, Ltd. | Yarn winding device and automatic winder comprising the same |
EP2159180A3 (en) * | 2008-08-25 | 2010-12-29 | Murata Machinery, Ltd. | Yarn winding device and automatic winder |
EP2774883A1 (en) * | 2013-03-08 | 2014-09-10 | Gebrüder Loepfe AG | Method for winding and cleaning a yarn |
JP2014172759A (en) * | 2013-03-08 | 2014-09-22 | Gebr Loepfe Ag | Yarn taking-up and cleaning method |
EP4074637A4 (en) * | 2020-02-10 | 2023-06-21 | Twistperfect, S.L. | Machine and process for unwinding and winding yarn at a speed greater than 1m/s |
Also Published As
Publication number | Publication date |
---|---|
EP1828040A1 (en) | 2007-09-05 |
EP1828040B1 (en) | 2013-08-28 |
CN103818777A (en) | 2014-05-28 |
CN103818777B (en) | 2017-01-11 |
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